|Wild, be-scarred underling of Johnny's, does whatever he says. Equal parts hyena and human.|
Stephen is shown to be very loyal to Johnny, often following his commands without question.
He is friends with his fellow members of Johnny's gang, hanging out with them after school. He stacks with them during the "Friendship Fusion" technique.
|The Activity Club||The Consortium|
|Edward Burger | Isabel Guerra | Isaac O'Connor | Maxwell Puckett||Agent 13 | Boss Leader | Cinnamon Stix | Agent Day | Francisco Guerra | Greco Stucks | Texas Walker | Mina Zarei|
|Ms. Baxter | Vice Principal DuNacht | Mr. Garcia | Coach Oop | Mrs. McJohnson | Principal Pleezdoo | Mr. Puckett | Mrs. Puckett | Richard Spender | Mr. Starchman||Angry Band Kid | Ball Golem | Damien | Damien's sister | Dimitri Danger | Doghouse | Fitzgerald | Jeffavorite Flavors | Johnny Jhonny | Cody Jones | Lisa | Ollie Oop | Zoey Puckett | R.J. | Sam | Collin Sloinne | Stephen | Student Council | Susan | Violet|
|Spirits and Ghosts|
|Butterfly Ghost | Doctopi | Doorman | Eightfold | Flipflop | General Emerald | Forge | Ghost Train | Gorf | Hijack | Hissin' Pete | King C. | Lefty | Lucifer | Muse | Night Lamps | Nin | Patchworm | PJ | Queen of Kindness | Ravenous Gobbledygook | Scrapdragon | Sphinx of Games | The Shadow | Venus Guytrap | Vile Spirits|